Negative And Positive Calculator

Negative And Positive Calculator

Something used for making mathematical calculations, in particular a small electronic device with a keyboard and a visual display

an expert at calculation (or at operating calculating machines)

A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the basic operations of arithmetic. Modern calculators are more portable than most computers, though most PDAs are comparable in size to handheld calculators.

Thermal printing calculator delivers extra large print that is 2.5 times standard print size when the LCD is set on 10-digit display. Calculator generates standard print size when switched to the 12-digit display. Two-color backlit display only switches from 10-digit to 12-digit. Digits turn red with negative numbers and green for positive numbers. Calculator prints 6.0 lines per second in both sizes. Functions include cost/sell/margin, two independent tax keys, item count, grand total, time/date and three-key independent memory. Calculator runs on AC power only.